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3 years ago

What are the limitations of a dissecting microscope

1 answer:

5 0

Dissecting microscope is a kind of microscope that is limited to view an opaque object. Dissecting microscope is also called as the stereo microscope. This microscope can magnified up to 300 times. Dissecting microscope can be used in electronic industry also.

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Which property of water allows large organisms like the blue whale to swim in the ocean and not be crushed by their body weight?

satela [25.4K]

Density <span>water allows large organisms like the blue whale to swim in the ocean and not be crushed by their body weight.</span>

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3 years ago

Wetlands are limited to freshwater.

Setler [38]

The answer to the question is false

8 0

3 years ago

Read 2 more answers

Yeast cells are recovered from a fermentation broth by using a tubular centrifuge. Sixty percent of the cells are recovered at a

Serga [27]

Answer:

$\\ \omega = 5033.22 \ rpm$

Explanation:

Given that:

$R_1 = 0.6\\\\R_2 = 0.95\\\\\omega_1 = 4000 \ rpm\\\\\omega_2 = ???\\\\Q_1 = 12\ l/min\\\\Q_2 = 12\ l/min$

For a continuous centrifuge ; solid recovery R ∝ $\frac{\omega^2}{Q}$

where;

ω = angular velocity of the centrifuge in rpm

Q = flow rate

SO;

$R_1 \alpha \frac{4000^2}{12}$

$R_2 \alpha \frac{\omega^2}{12}$

$\frac{R_1}{R_2} = \frac{4000^2}{12}$ ÷ $\frac{\omega^2 }{12}$

$\frac{R_1}{R_2} = \frac{4000^2}{12} * \frac{12}{\omega^2}$

$\frac{R_1}{R_2} = \frac{4000^2}{\omega^2}\\\\\frac{0.6}{0.95} = \frac{4000^2}{\omega^2}$

${\omega^2} = \frac{4000^2*0.95}{0.6}\\\\\\{\omega} = \sqrt{ \frac{4000^2*0.95}{0.6}}\\\\\\ \omega = 5033.22 \ rpm$

7 0

3 years ago

Why do you think the complementary base pairing between the two strands helps cells to detect and

saw5 [17]

Answer: answer is.......

Explanation: Strands are complementary to each other, its mean that if one strand contain Adenine, Gunine and cytosine so on the other strand there will Thymine bond with Adenine, Cytosine with Gunanine and Gunanine with Cytosine. DNA molecules have an antiparallel structure - that is, the two strands of the helix run in ... Replication relies on complementary base pairing, that is the principle explained ... DNA replication occurs through the help of several enzymes.

5 0

4 years ago

Read 2 more answers

The density of gas particles in a section of Earth’s atmosphere decreases. Which of the following is the most likely explanation

aalyn [17]

Answer:

<em>A. The air pressure in that section of Earth’s atmosphere decreased. </em>

Explanation:

In the free air, the density of the air diminishes as the air is warmed. On increasing the pressure, the density also increases. The air is packed. The density increments as pressure increments.

The thickness and density of air decline with the increase of height because of that the surface area of the Earth's climate diminishes with increase in height, along these lines gas particles can spread out.

The density of the air is most minimal at a high rise on a hot day when the pressure of the atmosphere is low.

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4 years ago